【Mybatis】Cause: java.sql.SQLException: sql injection violation, syntax error: ERROR. token : WHERE,

本文分析了一条关于SQL更新操作引发的异常错误,并指出错误原因是由于多余的逗号导致的SQL注入违规及语法错误。通过查看错误信息中的'token'部分可以快速定位到具体的报错位置。

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一、报错语句:
got a Exception
org.springframework.jdbc.UncategorizedSQLException:
Error updating database. Cause: java.sql.SQLException: sql injection violation, syntax error: ERROR. token : WHERE, pos : 315 : UPDATE jxdx_leave

二、报错原因:
这里写图片描述

多了一个逗号;
关键看token后面,这里通过token可以直接定位报错地点;

{ "timestamp": "2023-07-14T11:17:15.188+0000", "status": 500, "error": "Internal Server Error", "message": "\r\n### Error querying database. Cause: java.sql.SQLException: sql injection violation, syntax error: syntax error, error in :'RDER BY province_id LIMIT 1', expect BY, actual BY pos 98, line 3, column 56, token BY : SELECT *\n FROM batch_control_line\n WHERE province_id = ? AND `year`=? LIMIT ORDER BY province_id LIMIT 1\r\n### The error may exist in mybatis/mapper/BatchControlLineMapper.xml\r\n### The error may involve com.college.collegesystem.dao.BatchControlLineMapper.findBatchControlLineByID\r\n### The error occurred while executing a query\r\n### SQL: SELECT * FROM batch_control_line WHERE province_id = ? AND `year`=? LIMIT ORDER BY province_id LIMIT 1\r\n### Cause: java.sql.SQLException: sql injection violation, syntax error: syntax error, error in :'RDER BY province_id LIMIT 1', expect BY, actual BY pos 98, line 3, column 56, token BY : SELECT *\n FROM batch_control_line\n WHERE province_id = ? AND `year`=? LIMIT ORDER BY province_id LIMIT 1\n; uncategorized SQLException; SQL state [null]; error code [0]; sql injection violation, syntax error: syntax error, error in :'RDER BY province_id LIMIT 1', expect BY, actual BY pos 98, line 3, column 56, token BY : SELECT *\n FROM batch_control_line\n WHERE province_id = ? AND `year`=? LIMIT ORDER BY province_id LIMIT 1; nested exception is java.sql.SQLException: sql injection violation, syntax error: syntax error, error in :'RDER BY province_id LIMIT 1', expect BY, actual BY pos 98, line 3, column 56, token BY : SELECT *\n FROM batch_control_line\n WHERE province_id = ? AND `year`=? LIMIT ORDER BY province_id LIMIT 1", "trace": "org.springframework.jdbc.UncategorizedSQLException: \r\n### Error querying database. Cause: java.sql.SQLException: sql injection violation, syntax error: syntax error, error in :'RDER BY province_id LIMIT 1', expect BY, actual BY pos 98, lin
07-15
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